// Copyright (c) 2009 Paul Kohler
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
// and associated documentation files (the "Software"), to deal in the Software without restriction, 
// including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, 
// and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do 
// so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in all copies or substantial 
// portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A 
// PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR 
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER 
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
using System;
using JsonDbTestWebSite.Model;

namespace JsonDbTestWebSite.Core
{
	public class ItemPage<TItem> : RepositoryPage where TItem : ModelBase, new()
	{
		private TItem _item;

		public string ItemId
		{
			get { return Request.QueryString["id"]; }
		}

		public TItem Item
		{
			get
			{
				if (_item == null)
				{
					_item = new TItem();
				}
				return _item;
			}
		}

		protected void LoadItem()
		{
			if (string.IsNullOrEmpty(ItemId))
			{
				_item = Repository.Create<TItem>();
			}
			else
			{
				_item = Repository.Get<TItem>(ItemId);
				if (_item == null)
				{
					Response.Redirect("~/");
					//throw new FileNotFoundException("Item not found: " + ItemId);
				}
			}
		}
	}
}